Neil deGrasse Tyson tweeted out a statistic showing that it only took five weeks for household gun deaths to match the number of Americans killed by terrorism since 2001 — and angry gun lovers quickly set out to shoot the messenger.

They cited easily debunked statistics that appear to show more hammer-related deaths in 2011 than gun deaths — although the widely shared chart includes only 323 rifle-related killings and leaves out 356 shotgun-related deaths and a whopping 6,220 handgun-related deaths that year.